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Questions for Crayfish Anatomy

Questions for Crayfish Anatomy - Questions for Crayfish...

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Questions for Crayfish Anatomy 1. Crayfish are in the phylum _____________. 2. Crayfish are in the class _______________. 3. In a few words describe the following anatomical terms: Anterior, Posterior, Dorsal, Ventral, Medial, Lateral, Proximal, Distal (each term would only be one quiz question. 4. The hard shell on the outside of the crayfish is called the _________. 5. The outside of the crayfish is made primarily of _____________. 6. The body of the crayfish is made of two major regions, the ____________ and the abdomen. 7. The crayfish does not have veins or capillaries. Blood flows into sinuses. This is called an _______________ circulatory system. 8. The gills are located under the ___________________. 9. The gills are feathery or finely dissected to ____________________________ _________________________________. 10. The main nerve cord runs on the ___________________ side of the animal. 11. The heart is on the _______________________ side of the animal. 12. The green glands excrete ___________________ ________________ through the __________________________. 13. The cerebral ganglion is the _________________ of the crayfish. 14.
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